Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: translateModel(IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample") translateModel(IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001557/0.001558, allocations: 104.2 kB / 16.27 MB, free: 5.961 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001518/0.001518, allocations: 188 kB / 17.19 MB, free: 5.594 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.336/1.336, allocations: 222.9 MB / 240.9 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8338/0.8338, allocations: 135.2 MB / 426.2 MB, free: 4.133 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001906/0.001906, allocations: 68.12 kB / 0.506 GB, free: 8.332 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3545/0.3564, allocations: 80.92 MB / 0.5851 GB, free: 25.39 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample): time 0.02413/0.3806, allocations: 31.27 MB / 0.6156 GB, free: 11.32 MB / 462.1 MB Notification: Performance of NFInst.instExpressions: time 0.01401/0.3947, allocations: 8.522 MB / 0.6239 GB, free: 2.801 MB / 462.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001543/0.3962, allocations: 43.75 kB / 0.624 GB, free: 2.758 MB / 462.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001462/0.3978, allocations: 480.7 kB / 0.6244 GB, free: 2.285 MB / 462.1 MB Notification: Performance of NFTyping.typeBindings: time 0.00425/0.402, allocations: 1.45 MB / 0.6258 GB, free: 0.8281 MB / 462.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.003065/0.4051, allocations: 1.12 MB / 0.6269 GB, free: 15.72 MB / 478.1 MB Notification: Performance of NFFlatten.flatten: time 0.005068/0.4102, allocations: 3.682 MB / 0.6305 GB, free: 12.02 MB / 478.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002118/0.4123, allocations: 1.494 MB / 0.632 GB, free: 10.49 MB / 478.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003464/0.4158, allocations: 1.366 MB / 0.6333 GB, free: 9.129 MB / 478.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001847/0.4177, allocations: 1.042 MB / 0.6343 GB, free: 8.082 MB / 478.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0002735/0.418, allocations: 136 kB / 0.6345 GB, free: 7.949 MB / 478.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.003077/0.4211, allocations: 1.228 MB / 0.6357 GB, free: 6.719 MB / 478.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004553/0.4215, allocations: 362.8 kB / 0.636 GB, free: 6.363 MB / 478.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001116/0.4226, allocations: 0.7854 MB / 0.6368 GB, free: 5.574 MB / 478.1 MB Notification: Performance of NFConvertDAE.convert: time 0.004/0.4267, allocations: 2.536 MB / 0.6393 GB, free: 3.031 MB / 478.1 MB Notification: Performance of FrontEnd - DAE generated: time 6.041e-06/0.4267, allocations: 0 / 0.6393 GB, free: 3.031 MB / 478.1 MB Notification: Performance of FrontEnd: time 4.509e-06/0.4267, allocations: 7.984 kB / 0.6393 GB, free: 3.023 MB / 478.1 MB Notification: Performance of Transformations before backend: time 2.769e-05/0.4267, allocations: 0 / 0.6393 GB, free: 3.023 MB / 478.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 212 * Number of variables: 212 Notification: Performance of Generate backend data structure: time 0.003728/0.4305, allocations: 1.903 MB / 0.6411 GB, free: 1.062 MB / 478.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.411e-05/0.4305, allocations: 13.11 kB / 0.6411 GB, free: 1.051 MB / 478.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004935/0.431, allocations: 166.6 kB / 0.6413 GB, free: 0.8867 MB / 478.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002601/0.4336, allocations: 1.339 MB / 0.6426 GB, free: 15.48 MB / 494.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.781e-05/0.4337, allocations: 66 kB / 0.6427 GB, free: 15.42 MB / 494.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001511/0.4339, allocations: 84 kB / 0.6428 GB, free: 15.34 MB / 494.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002133/0.436, allocations: 1.18 MB / 0.6439 GB, free: 14.11 MB / 494.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.767e-05/0.4361, allocations: 7.938 kB / 0.6439 GB, free: 14.1 MB / 494.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001007/0.4362, allocations: 40 kB / 0.6439 GB, free: 14.06 MB / 494.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.233e-05/0.4362, allocations: 30 kB / 0.644 GB, free: 14.04 MB / 494.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001755/0.438, allocations: 0.9171 MB / 0.6449 GB, free: 13.12 MB / 494.1 MB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.006937/0.4449, allocations: 5.242 MB / 0.65 GB, free: 7.512 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.001655/0.4466, allocations: 0.6777 MB / 0.6507 GB, free: 6.828 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006387/0.4473, allocations: 343.2 kB / 0.651 GB, free: 6.492 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.001538/0.4488, allocations: 1.413 MB / 0.6524 GB, free: 4.762 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000834/0.4497, allocations: 411.2 kB / 0.6528 GB, free: 4.352 MB / 494.1 MB Notification: Performance of pre-optimization done (n=56): time 3.366e-06/0.4497, allocations: 0 / 0.6528 GB, free: 4.352 MB / 494.1 MB Notification: Performance of matching and sorting (n=56): time 0.002863/0.4525, allocations: 1.196 MB / 0.6539 GB, free: 3.105 MB / 494.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.179e-05/0.4526, allocations: 59.91 kB / 0.654 GB, free: 3.035 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00162/0.4542, allocations: 1.068 MB / 0.655 GB, free: 1.949 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 7.861e-05/0.4543, allocations: 41.7 kB / 0.6551 GB, free: 1.902 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005585/0.4549, allocations: 0.5696 MB / 0.6556 GB, free: 1.324 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002022/0.4551, allocations: 189.3 kB / 0.6558 GB, free: 1.137 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002217/0.4553, allocations: 134.2 kB / 0.6559 GB, free: 1 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 0.0001687/0.4555, allocations: 334 kB / 0.6562 GB, free: 0.668 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005917/0.4561, allocations: 291.3 kB / 0.6565 GB, free: 388 kB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007703/0.4569, allocations: 444 kB / 0.6569 GB, free: 15.88 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001329/0.4582, allocations: 0.7537 MB / 0.6577 GB, free: 15.06 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.101e-06/0.4582, allocations: 8 kB / 0.6577 GB, free: 15.05 MB / 0.4981 GB Notification: Performance of matching and sorting (n=80) (initialization): time 0.002117/0.4604, allocations: 0.9535 MB / 0.6586 GB, free: 14.09 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 5.229e-05/0.4604, allocations: 33.69 kB / 0.6587 GB, free: 14.05 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.224e-05/0.4604, allocations: 8 kB / 0.6587 GB, free: 14.04 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003239/0.4608, allocations: 70.14 kB / 0.6587 GB, free: 13.96 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005961/0.4614, allocations: 143.8 kB / 0.6589 GB, free: 13.82 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002999/0.4644, allocations: 3.114 MB / 0.6619 GB, free: 10.42 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009339/0.4653, allocations: 103.3 kB / 0.662 GB, free: 10.32 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.353e-05/0.4654, allocations: 31.98 kB / 0.662 GB, free: 10.29 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00116/0.4666, allocations: 0.6299 MB / 0.6626 GB, free: 9.656 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0007441/0.4673, allocations: 443.8 kB / 0.6631 GB, free: 9.164 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001351/0.4687, allocations: 0.7577 MB / 0.6638 GB, free: 8.344 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.585e-06/0.4687, allocations: 0 / 0.6638 GB, free: 8.344 MB / 0.4981 GB Notification: Performance of matching and sorting (n=80) (initialization_lambda0): time 0.002074/0.4708, allocations: 0.9574 MB / 0.6647 GB, free: 7.363 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 6.169e-05/0.4709, allocations: 33.7 kB / 0.6648 GB, free: 7.324 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.923e-06/0.4709, allocations: 4.469 kB / 0.6648 GB, free: 7.32 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002295/0.4711, allocations: 73.66 kB / 0.6649 GB, free: 7.242 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000579/0.4717, allocations: 147.8 kB / 0.665 GB, free: 7.098 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002817/0.4745, allocations: 3.117 MB / 0.668 GB, free: 3.688 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001001/0.4756, allocations: 99.52 kB / 0.6681 GB, free: 3.59 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.626e-05/0.4756, allocations: 28 kB / 0.6682 GB, free: 3.562 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 5 (trapezoid.count,$PRE.trapezoid.count,trapezoid.T_start,$PRE.trapezoid.T_start,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (75): * Single equations (assignments): 72 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,2,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003357/0.476, allocations: 228 kB / 0.6684 GB, free: 3.332 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002353/0.4762, allocations: 114.6 kB / 0.6685 GB, free: 3.219 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002102/0.4783, allocations: 0.9455 MB / 0.6694 GB, free: 2.277 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.817e-05/0.4784, allocations: 11.98 kB / 0.6694 GB, free: 2.266 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.083e-06/0.4784, allocations: 0 / 0.6694 GB, free: 2.266 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001462/0.4798, allocations: 0.8 MB / 0.6702 GB, free: 1.43 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003896/0.4838, allocations: 2.131 MB / 0.6723 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.981e-06/0.4838, allocations: 0 / 0.6723 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005281/0.4843, allocations: 111.9 kB / 0.6724 GB, free: 15.11 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001769/0.4845, allocations: 57.77 kB / 0.6724 GB, free: 15.04 MB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.176e-05/0.4846, allocations: 27.92 kB / 0.6725 GB, free: 15.02 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002526/0.4871, allocations: 2.95 MB / 0.6754 GB, free: 11.78 MB / 0.5137 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.563e-06/0.4871, allocations: 0 / 0.6754 GB, free: 11.78 MB / 0.5137 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002728/0.4898, allocations: 1.332 MB / 0.6767 GB, free: 10.42 MB / 0.5137 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005654/0.4904, allocations: 283.5 kB / 0.6769 GB, free: 10.12 MB / 0.5137 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001498/0.4906, allocations: 19.98 kB / 0.6769 GB, free: 10.11 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007137/0.4913, allocations: 51.88 kB / 0.677 GB, free: 10.05 MB / 0.5137 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001499/0.4915, allocations: 52.5 kB / 0.677 GB, free: 10 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.91e-05/0.4915, allocations: 31.97 kB / 0.6771 GB, free: 9.973 MB / 0.5137 GB Notification: Performance of sorting global known variables: time 0.001176/0.4927, allocations: 0.7491 MB / 0.6778 GB, free: 9.215 MB / 0.5137 GB Notification: Performance of sort global known variables: time 4.01e-07/0.4927, allocations: 0 / 0.6778 GB, free: 9.215 MB / 0.5137 GB Notification: Performance of remove unused functions: time 0.00181/0.4946, allocations: 0.6937 MB / 0.6785 GB, free: 8.52 MB / 0.5137 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 3 (embeddedPipe.vol[1].dynBal.U,embeddedPipe.vol[2].dynBal.U,senTem.T) * Number of discrete variables: 3 ($whenCondition1,trapezoid.T_start,trapezoid.count) * Number of discrete states: 1 (trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (59): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,2,100.0%), (1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.000948/0.4955, allocations: 407.7 kB / 0.6789 GB, free: 8.129 MB / 0.5137 GB Notification: Performance of simCode: created initialization part: time 0.003415/0.4989, allocations: 1.806 MB / 0.6806 GB, free: 6.246 MB / 0.5137 GB Notification: Performance of simCode: created event and clocks part: time 4.879e-06/0.499, allocations: 128 / 0.6806 GB, free: 6.246 MB / 0.5137 GB Notification: Performance of simCode: created simulation system equations: time 0.0009589/0.4999, allocations: 0.5824 MB / 0.6812 GB, free: 5.641 MB / 0.5137 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0027/0.5026, allocations: 0.5738 MB / 0.6818 GB, free: 5.105 MB / 0.5137 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004923/0.5076, allocations: 2.494 MB / 0.6842 GB, free: 2.566 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001028/0.5086, allocations: 1.269 MB / 0.6854 GB, free: 1.262 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003402/0.509, allocations: 99.39 kB / 0.6855 GB, free: 1.164 MB / 0.5137 GB Notification: Performance of SimCode: time 1.232e-06/0.509, allocations: 0 / 0.6855 GB, free: 1.164 MB / 0.5137 GB Notification: Performance of Templates: time 0.04767/0.5567, allocations: 34.21 MB / 0.7189 GB, free: 15.11 MB / 0.5606 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.sim & ./IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatExchangers.RadiantSlab.Examples.EmbeddedPipeExample.pipe 2>&1)